You can check out above graph to see how the market cap of Radium has changed over time. The market cap value depends on the value of Radium on that particular day and number of Radium in supply at that day.

How is Radium Market Cap calculated?

The Radium Market cap is calculated using a simple formula. You can find it below:

Radium Market Capitalization in USD = Number of RADS in supply X Price of one Radium in USD

Since the price of Radium is highly volatile you can see the market cap going up and down a lot. Sometimes price and market cap are not linear to each other due to increase in the supply of coins in the market and stable or decrease in the price of the coin. So you can say that it's not simple to predict the market cap of Radium or predict the price of Radium.